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Check Valves

Check valves for fluids are a type of valves which allow fluids to flow in one direction, but automatically close when the flow reverses. They are also called non-return valves or one-way valves. They can prevent the backflow securely and open with small differential pressure. They are applied to piping systems where the backflow prevention is required, frequent open/close are expected, some restrictions exist around the pipings, etc. To install, there are screw-in connection type to screw in the check valve, and flangeless type that clamps the entire check valve with pipes. Furthermore, they are divided into small diameter valves or large diameter valves. Materials of the main body are copper alloy, stainless steel, fluoropolymer, plastic, etc. Sealing materials vary depending on the application; metal is used for places where the temperature becomes high due to steam, etc., and rubber is for places under low temperatures such as hot or cold water.

31 items

: 30; 45; 60

Days to Ship	All Same day 8 Days or Less 9 Days or Less 10 Days or Less 11 Days or Less 12 Days or Less 13 Days or Less 17 Days or Less 18 Days or Less 27 Days or Less

General Purpose Ductile Iron 10K Lift Check Valve Flange

Kitz

[Features]
· The ductile cast iron product (FCD-S) is a cast iron product that passes JIS B8270 Appendix 5-A and the standard specified by METI Public Notice No. 16 1975.8.1 (Revision, March 24, 1997 Notice No. 137) Article 4-7, Note 1, and its material is regulated specially for high pressure gas facilities, pressure containers, etc. which are different from cast iron products regulated by JISG5502 Standard for Ductile Iron (FCD400-15, etc.).
· Cast with the following chemical composition, mechanical properties and micro structure as defined in the official notice of JIS and METI for ductile iron castings (FCD-S), making it suitable for use in high pressure gas equipment or pressure vessels.

Volume Discount
Days to Ship: 10 Days or more
Bronze JIS-Standard 10K Swing Check Valve Screw-in

Kitz

[Features]
· Secure seal at pipe connections.
· Hygienic, with zero fluid contamination.
· Highly durable against freezing and impacts.
· Features excellent workability and enables efficient piping.

Volume Discount
Days to Ship: Same day or more

Show Stock Products
JIS 10K Type - Cast Iron F Type Swing Check Valve (JIS B 2031)

Toyo Valve

A FC200 main body material cast iron F type swing check valve.

[Features]
· Suppresses water hammer increasing the disc closing speed and improves the sealing performance by setting the counterweight in the Closed moment position.
· The opening and closing of the disc is performed more smoothly and the flow of the low-voltage fluid is accelerated by setting the counterweight in the Open moment position and maintaining the balance with the disc.
· The inner structure of the swing check valve with a counterweight is simpler compared to other shock absorbing reverse valves. Therefore, there are fewer blockages caused by contaminants.
· The swing check valve with a counterweight enables both horizontal and vertical pipe connections.

Volume Discount

CAD ：

2D
Days to Ship: 9 Days or more
Straight SMC Type JIS10K　

Ishizaki

[Features]
· Nylon-coated product suitable for water lines used for washing facilities and high-floor construction, etc.
· JWWA Certified and Registered product.
· SCS13 material, which is durable, is used for valve rods, valve bodies, upper and lower guides, and valve seats for 10K 40A to 150A.

Volume Discount
Days to Ship: 10 Days or more
Check Valves - Standard

MISUMI

•Type : Swing type
•Material : SCS13
•Applicable Fluid : Water, Air, Oil
For complete product overview and details on Check Valves see the sections below:

Volume Discount

inCAD Components

CAD ：

2D / 3D
Days to Ship: 8 Days or more
Stainless Steel General-Purpose 10K Swing Check (SCS13A) Valve Flange

Kitz

•Type : Swing type
•Material : CF-8 Stainless Steel Cast
•Applicable Fluid : Air, Gas, Oil, Water
For complete product overview and details on Stainless Steel General-Purpose 10K Swing Check (SCS13A) Valve Flange see the sections below:

Volume Discount
Days to Ship: 8 Days or more
General Purpose Bronze150-Type Lift Check Screw Valve

Kitz

A bronze, threaded, general-purpose 150 type lift check valve—manufactured by Kitz Corporation, with a track record in Japan for top-class quality screw fittings/pipe components.
· Material: bronze iron
· Type: lift
· Working fluid: water

Volume Discount
Days to Ship: 8 Days or more
Malleable Valve, General-Purpose 10K Type, Check Valve (Swing Type), Screwed

Hitachi Valve

An economical and robust malleable valve. Main parts are mostly stainless steel for better abrasion resistance than bronze valves. Ideal for iron pipes. Helps eliminate corrosion caused by contact potential difference.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
16K Type Ductile Cast-Iron Screw Down Lift Check Valve Union Bonnet Type

Toyo Valve

A tough valve resistant to heat, corrosion abrasion resistance. Use in areas with vapor, hot water, and embedded lines where safety is a priority.

Volume Discount

CAD ：

2D
Days to Ship: 10 Days or more
Straight Type SM Type JIS10K　

Ishizaki

[Features]
· Standard model that can be manufactured with ductile or bronze in addition to cast iron.
· Lineup includes a wide range from 10K to 63K.
· SCS13 material, which is durable, is used for valve rods, valve bodies, upper and lower guides and valve seats for 10K 40A to 150A.

Volume Discount
Days to Ship: 10 Days or more
Check Valves - Hydraulic, for Oil

MISUMI

•Type : Spring (In-line)
•Material : Steel
•Applicable Fluid : Oil
For complete product overview and details on Check Valve - Oil Hydraulic see the sections below:

Volume Discount

inCAD Components

CAD ：

2D / 3D
Days to Ship: 8 Days or more
General Purpose Ductile Iron 10K Swing Check Valve Flange

Kitz

A ductile iron, general-purpose 10K swing check valve flange—manufactured by Kitz Corporation, with a track record in Japan for top-class quality screw fittings/pipe components.
· Material: ductile iron
· Type: swing
· Working fluid: water, air, oil, gas

Volume Discount
Days to Ship: 10 Days or more
General Purpose Ductile Iron 20K Lift Check Valve Screw-in

Kitz

A 20K ductile iron, threaded, general-purpose lift check valve—manufactured by Kitz Corporation, with a track record in Japan for top-class quality screw fittings/pipe components.
· Material: ductile iron
· Type: swing
· Working fluid: water, air, oil, gas

Volume Discount
Days to Ship: 10 Days or more
General Purpose Ductile Iron 10K Lift Check Valve Screw-in

Kitz

A general purpose ductile iron 10K lift check valve screw-in from Kitz with Japan's top-class quality and experience in the field of screw fittings and parts for tubing.
· Materials: ductile cast iron
· Type: Swing
· Working fluid: water, air, oil, gas

Volume Discount
Days to Ship: 8 Days or more
General Purpose Ductile Iron 20K Swing Check Valve Flange

Kitz

[Features]
· The ductile cast iron product (FCD-S) is a cast iron product that passes JIS B8270 Appendix 5-A and the standard specified by METI Public Notice No. 16 1975.8.1 (Revision, March 24, 1997 Notice No. 137) Article 4-7, Note 1, and its material is regulated specially for high pressure gas facilities, pressure containers, etc. which are different from cast iron products regulated by JISG5502 Standard for Ductile Iron (FCD400-15, etc.).
· Cast with the following chemical composition, mechanical properties and micro structure as defined in the official notice of JIS and METI for ductile iron castings (FCD-S), making it suitable for use in high pressure gas equipment or pressure vessels.

Volume Discount
Days to Ship: 10 Days or more
General Purpose Bronze 10K Lift Check Valve Screw-in

Kitz

•Compatible Fluid: Water
•Type: Lift type
•Nominal Pressure: 10K
•Material: Bronze
•Supply Side Connection Type: Rc

Volume Discount
Days to Ship: 8 Days or more
Stainless Steel General-Purpose 10K Swing Check (SCS13A) Valve Screw-in

Kitz

[Features]
· JIS B 2011 bronze valve applied to solve problems of insufficient strength and corrosion resistance in bronze and ductile iron manufacturing.
· High-quality, durable flange type and screw-in type stainless steel valves which conform to Public Construction Work Standard Specification (Machine Facility Work) and Japan Stainless Steel Association SAS358 Standard as countermeasures for rusty tap water.

Volume Discount
Days to Ship: 8 Days or more
Stainless Steel General-Purpose 10K Swing Check (SCS14A) Valve Screw-in

Kitz

•Type : Swing type
•Material : CF-8M Stainless Steel Cast
•Applicable Fluid : Air, Gas, Oil, Water
For complete product overview and details on Stainless Steel General-Purpose 10K Swing Check (SCS14A) Valve Screw-in see the sections below:

Volume Discount
Days to Ship: 10 Days or more
General Purpose Ductile Iron 20K Lift Check Valve Flange

Kitz

•Type : Lift type
•Material : Ductile Cast Iron
•Applicable Fluid : Air, Gas, Oil, Water
For complete product overview and details on General Purpose Ductile Iron 20K Lift Check Valve Flange see the sections below:

Volume Discount
Days to Ship: 10 Days or more
Bronze General Purpose 10K Swing Check Valve Flange

Kitz

•Max. Operating Pressure (mpa): 1.4
•Type: Swing type
•Nominal Pressure: 10K
•Material: Bronze
•Supply Side Connection Type: Flange

Volume Discount
Days to Ship: 10 Days or more
Check Fitting CSA

Koyo

Cadmium-free brass material is used.

[Features]
· Complete fitting with a joint and a check valve.
· Advantageous fitting for the space and cost perspectives.
· The spring poppet check valve gives the flow direction to the piping system

Volume Discount
Days to Ship: 27 Days or more
Check Fitting CSB

Koyo

Cadmium-free brass material is used.

[Features]
· A fitting with an integrated fitting and check valve.
· A useful fitting for saving on spaces and costs.
· The spring poppet check valve provides flow direction to the piping system

Volume Discount
Days to Ship: 8 Days or more
10 K - Bronze Screw-in Type Swing Check Valve (Metal Sheet) (JIS B 2011), New JIS Mark Displayed

Toyo Valve

A valve that is safe for use in corrosive environments.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
10K-Type Cast Iron Wing Check Valve

Toyo Valve

Lead-free copper alloy to provide safe water. Used for water and hot-water supply.

Volume Discount

CAD ：

2D
Days to Ship: 9 Days or more
125H Model Bronze Screw-in Type Swing Check Valve

Toyo Valve

A valve that is safe for use in corrosive environments.

Volume Discount

CAD ：

2D
Days to Ship: 9 Days or more
125 Type - Bronze Screw-in Type Swing Check Valve

Toyo Valve

A valve that is safe for use in corrosive environments.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
150 E Type - Bronze Screw-in Type Lift Check Valve

Toyo Valve

A valve that is very safe for use in corrosive environments.

Volume Discount

CAD ：

2D
Days to Ship: 11 Days or more
J10K Lead Free Bronze Screw Down Swing Check Valve (Metal Sheet) (JIS B 2011) New JIS Mark Displayed

Toyo Valve

Lead-free copper alloy to provide safe water. Used for water and hot-water supply.

Volume Discount

CAD ：

2D
Days to Ship: 9 Days or more
Class 10 K - Screw-in Type Swing Check Valve

Toyo Valve

Stainless steel valve, U series. For general-purpose and construction equipment.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Check Valve - Nipple Fitting, Female BSPT to Female BSPT, AS Series

Asoh

•Type : Spring Type (In-line)
•Material : 316 Stainless Steel, 3604BD
•Applicable Fluid : Air, Water
For complete product overview and details on A-Check Nipple Type see the sections below:

Volume Discount
Days to Ship: 8 Days or more
Check Valve - Nipple Fitting, Male BSPT to Male BSPT, AT Series

Asoh

•Type : Spring Type (In-line)
•Material : 316 Stainless Steel, 3604BD
•Applicable Fluid : Air, Water
For complete product overview and details on A-Check Nipple Type see the sections below:

Volume Discount
Days to Ship: 8 Days or more

Days to Ship:	10 Days or more

Days to Ship:	Same day or more

Days to Ship:	9 Days or more

Days to Ship:	10 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	10 Days or more

Days to Ship:	10 Days or more

Days to Ship:	8 Days or more

Days to Ship:	10 Days or more

Days to Ship:	10 Days or more

Days to Ship:	8 Days or more

Days to Ship:	10 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	10 Days or more

Days to Ship:	10 Days or more

Days to Ship:	10 Days or more

Days to Ship:	27 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	9 Days or more

Days to Ship:	9 Days or more

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Days to Ship:	11 Days or more

Days to Ship:	9 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

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Brand
Product Series
CAD
Days to Ship
Specifications
Type
Applicable Fluid
Nominal Pressure
Material
Supply Side, Connection Type
Supply Side, Plumbing Thread Nominal
Supply Side, Tube Flange Nominal
Control Side, Connection Type
Control Side, Plumbing Thread Nominal
Control Side, Tube Flange Nominal
Max. Operating Pressure(MPa)
Cracking Pressure(MPa)


Brand	Kitz	Kitz	Toyo Valve	Ishizaki	MISUMI	Kitz	Kitz	Hitachi Valve	Toyo Valve	Ishizaki	MISUMI	Kitz	Kitz	Kitz	Kitz	Kitz	Kitz	Kitz	Kitz	Kitz	Koyo	Koyo	Toyo Valve	Toyo Valve	Toyo Valve	Toyo Valve	Toyo Valve	Toyo Valve	Toyo Valve	Asoh	Asoh
Product Series	General Purpose Ductile Iron 10K Lift Check Valve Flange	Bronze JIS-Standard 10K Swing Check Valve Screw-in	JIS 10K Type - Cast Iron F Type Swing Check Valve (JIS B 2031)	Straight SMC Type JIS10K	Check Valves - Standard	Stainless Steel General-Purpose 10K Swing Check (SCS13A) Valve Flange	General Purpose Bronze150-Type Lift Check Screw Valve	Malleable Valve, General-Purpose 10K Type, Check Valve (Swing Type), Screwed	16K Type Ductile Cast-Iron Screw Down Lift Check Valve Union Bonnet Type	Straight Type SM Type JIS10K	Check Valves - Hydraulic, for Oil	General Purpose Ductile Iron 10K Swing Check Valve Flange	General Purpose Ductile Iron 20K Lift Check Valve Screw-in	General Purpose Ductile Iron 10K Lift Check Valve Screw-in	General Purpose Ductile Iron 20K Swing Check Valve Flange	General Purpose Bronze 10K Lift Check Valve Screw-in	Stainless Steel General-Purpose 10K Swing Check (SCS13A) Valve Screw-in	Stainless Steel General-Purpose 10K Swing Check (SCS14A) Valve Screw-in	General Purpose Ductile Iron 20K Lift Check Valve Flange	Bronze General Purpose 10K Swing Check Valve Flange	Check Fitting CSA	Check Fitting CSB	10 K - Bronze Screw-in Type Swing Check Valve (Metal Sheet) (JIS B 2011), New JIS Mark Displayed	10K-Type Cast Iron Wing Check Valve	125H Model Bronze Screw-in Type Swing Check Valve	125 Type - Bronze Screw-in Type Swing Check Valve	150 E Type - Bronze Screw-in Type Lift Check Valve	J10K Lead Free Bronze Screw Down Swing Check Valve (Metal Sheet) (JIS B 2011) New JIS Mark Displayed	Class 10 K - Screw-in Type Swing Check Valve	Check Valve - Nipple Fitting, Female BSPT to Female BSPT, AS Series	Check Valve - Nipple Fitting, Male BSPT to Male BSPT, AT Series
CAD			2D		2D / 3D			2D	2D		2D / 3D												2D	2D	2D	2D	2D	2D	2D
Days to Ship	10 Days or more	Same day or more Show Stock Products	9 Days or more	10 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	10 Days or more	10 Days or more	8 Days or more	10 Days or more	10 Days or more	8 Days or more	10 Days or more	8 Days or more	8 Days or more	10 Days or more	10 Days or more	10 Days or more	27 Days or more	8 Days or more	8 Days or more	9 Days or more	9 Days or more	8 Days or more	11 Days or more	9 Days or more	8 Days or more	8 Days or more	8 Days or more
Specifications					inCAD Components						inCAD Components
Type	Lift Type	Swing Type	Swing Type	Others	Swing Type	Swing Type	Lift Type	Swing Type	Lift Type	Others	Spring Type (In-line)	Swing Type	Lift Type	Lift Type	Swing Type	Lift Type	Swing Type	Swing Type	Lift Type	Swing Type	Spring Type (In-line)	Spring Type (In-line)	Swing Type	Wafer Type	Swing Type	Swing Type	Lift Type	Swing Type	Swing Type	Spring Type (In-line)	Spring Type (In-line)
Applicable Fluid	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Water / Oil / Others	Water	Water / Air / Oil	Water / Air / Oil / Gas	Water	Water / Air / Oil	Water / Air / Oil / Gas	Water	Oil	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Water	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Air	Air	Water	Water / Air / Oil	Water / Others	Water / Others	Water / Others	Water	Water / Air / Oil / Gas / Others	Water / Air	Water / Air
Nominal Pressure	10K	10K	10K	10K	-	10K	150	10K	16K	10K	-	10K	20K	10K	20K	10K	10K	10K	20K	10K	No Standard, Others	No Standard, Others	10K	10K	125	125	150	10K	10K	No Standard, Others	No Standard, Others
Material	Ductile Cast Iron	Bronze	Ductile Cast Iron	Cast Iron	Stainless Steel Cast	Stainless Steel Cast	Bronze	Cast Iron	Ductile Cast Iron	Cast Iron	Steel	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Bronze	Stainless Steel Cast	Stainless Steel Cast	Ductile Cast Iron	Bronze	Brass	Brass	Bronze	Cast Iron	Bronze	Bronze	Bronze	Lead-free Copper Alloy	Stainless Steel	Brass ～ Stainless Steel	Brass ～ Stainless Steel
Supply Side, Connection Type	Flange	Rc (R)	Flange	Flange	Rc (R)	Flange	Rc (R)	Rc (R)	Rc (R)	Flange	Rc (R)	Flange	Rc (R)	Rc (R)	Flange	Rc (R)	Rc (R)	Rc (R)	Flange	Flange	Rc (R)	Rc (R)	Rc (R)	Flange	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)
Supply Side, Plumbing Thread Nominal	-	1B ～ 3/8B	-	-	1B ～ 3/4B	-	1B ～ 3/8B	1B ～ 3/4B	1B ～ 3/4B	-	1/2B ～ 3/8B	-	1B ～ 3/4B	1B ～ 3/4B	-	1B ～ 3/4B	1B ～ 3/4B	1B ～ 1/2B	-	-	1/4B	1/4B ～ 1/8	1B ～ 3/8B	-	1B ～ 3/8B	1B ～ 3/8B	1B ～ 3/8B	1B ～ 3/4B	1 1/2B ～ 3/4B	1/2B ～ 3/8B	1/2B ～ 3/8B
Supply Side, Tube Flange Nominal	1B ～ 3/4B	-	1 1/2B ～ 8B	1 1/2B ～ 10B	-	1B ～ 3/4B	-	-	-	1 1/2B ～ 6B	-	1 1/2B ～ 6B	-	-	3B ～ 4B	-	-	-	1B ～ 3/4B	1B ～ 3/4B	-	-	-	1 1/2B ～ 10B	-	-	-	-	-	-	-
Control Side, Connection Type	Flange	Rc (R)	Flange	Flange	-	Flange	Rc (R)	Rc (R)	Rc (R)	Flange	-	Flange	Rc (R)	Rc (R)	Flange	Rc (R)	Rc (R)	Rc (R)	Flange	Flange	Rc (R)	Rc (R)	-	Flange	-	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)
Control Side, Plumbing Thread Nominal	-	1B ～ 3/8B	-	-	-	-	1B ～ 3/8B	1B ～ 3/4B	1B ～ 3/4B	-	-	-	1B ～ 3/4B	1B ～ 3/4B	-	1B ～ 3/4B	1B ～ 3/4B	1B ～ 1/2B	-	-	1/4B	1/4B ～ 1/8B	1B ～ 3/8B	-	1B ～ 3/8B	1B ～ 3/8B	1B ～ 3/8B	1B ～ 3/4B	1 1/2B ～ 3/4B	1/2B ～ 3/8B	1/2B ～ 3/8B
Control Side, Tube Flange Nominal	1B ～ 3/4B	-	1 1/2B ～ 8B	1 1/2B ～ 10B	-	1B ～ 3/4B	-	-	-	1 1/2B ～ 6B	-	1 1/2B ～ 6B	-	-	3B ～ 4B	-	-	-	1B ～ 3/4B	1B ～ 3/4B	-	-	-	1 1/2B ～ 10B	-	-	-	-	-	-	-
Max. Operating Pressure(MPa)	1.4	1.4	1.4	0.98	-	1.4	1.37 ～ 1.6	1.37	2.2	0.98	-	1.4	2.75	1.37	2.75	1.37 ～ 1.4	1.4	1.4	2.75	1.4	21	21	1.4	1.4	1.2	1.2	1.6	1.4	1	2	2
Cracking Pressure(MPa)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0.05 ～ 0.3	0.05	-	-	-	-	-	-	-	0.007	0.007